// MCP TOOL REFERENCE

binance_us_cust_cancel_order

ServerBinance US MCP Server
CategoryDestructive

How to control binance_us_cust_cancel_order ↓

WHAT IT DOES

What binance_us_cust_cancel_order does on Binance US MCP Server

AI agents call binance_us_cust_cancel_order to permanently remove resources in Binance US MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

THE RISK

Critical Risk

Why binance_us_cust_cancel_order needs a policy

This tool directly terminates active orders on a financial exchange. While order cancellation is technically reversible in the sense that a new order could be placed, the cancellation itself is an irreversible state change that destroys the original order's active status.

From the tool's definition The tool cancels an active custodial trade order, which is an irreversible action that voids an existing financial order.

Documented attack patterns abuse exactly the kind of access binance_us_cust_cancel_order gives an agent:

POLICY

How to control binance_us_cust_cancel_order

PolicyLayer is an MCP gateway — it sits between your AI agents and Binance US MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for binance_us_cust_cancel_order:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "binance_us_cust_cancel_order"
  ]
}

binance_us_cust_cancel_order disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

Create a free account and register Binance US MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RESTRICT THIS TOOL →

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EXPLORE

Related tools and policies

More Binance US MCP Server tools

Financial binance_us_cancel_replace Cancel an existing order and place a new order on the same symbol atomically. This is usef Financial binance_us_cust_new_order Place a new trade order through the custodial solution. ⚠️ REQUIRES CUSTODIAL SOLUTION AP Financial binance_us_new_oco Place a new OCO (One-Cancels-the-Other) order on Binance.US. OCO orders combine a limit or Financial binance_us_new_order Place a new trade order on Binance.US. Supports LIMIT, MARKET, STOP_LOSS, STOP_LOSS_LIMIT, Financial binance_us_cl_transfer Transfer assets in or out of your credit line account. ⚠️ REQUIRES CREDIT LINE API KEY - Financial binance_us_cust_transfer Transfer assets from custodial partner account to Binance.US custodial sub-account. ⚠️ RE Financial binance_us_cust_undo_transfer Undo a previous transfer from your custodial partner. ⚠️ REQUIRES CUSTODIAL SOLUTION API Financial binance_us_cust_wallet_transfer Transfer assets from Binance.US exchange wallet to custodial sub-account. ⚠️ REQUIRES CUS

All 93 Binance US MCP Server tools →

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Go deeper

Critical-risk tools in Binance US MCP Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about binance_us_cust_cancel_order

What does the binance_us_cust_cancel_order tool do? +

Cancel an active custodial trade order. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY Either orderId or origClientOrderId must be provided. Response includes the canceled order details with status: CANCELED. It is categorised as a Destructive tool in the Binance US MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on binance_us_cust_cancel_order? +

Register the Binance US MCP Server MCP server in PolicyLayer and add a rule for binance_us_cust_cancel_order: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Binance US MCP Server. Nothing to install.

What risk level is binance_us_cust_cancel_order? +

binance_us_cust_cancel_order is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit binance_us_cust_cancel_order? +

Yes. Add a rate_limit block to the binance_us_cust_cancel_order rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block binance_us_cust_cancel_order completely? +

Set action: deny in the PolicyLayer policy for binance_us_cust_cancel_order. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides binance_us_cust_cancel_order? +

binance_us_cust_cancel_order is provided by the Binance US MCP Server MCP server (nirholas/binance-us-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Binance US MCP Server tool call.

Start from Binance US MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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93 Binance US MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.